The best Subaru parts for a WRX, WRX STI, BRZ, or any Subaru you depend on every day are genuine Subaru OEM parts. Factory oil filters, drain-plug gaskets, speakers, and accessories are built to the exact specification your car left the line with, so fitment is never a guess. If you want maintenance done right the first time, OEM is the safe default.
What makes OEM parts different is simple: they are the same components Subaru's own engineers specced for the car. That matters most for maintenance consumables — the oil filter and crush gasket you replace at every oil change — where a slightly-off copy can leak, throw a code, or simply not thread on. This collection also covers factory accessory upgrades like Subaru's Kicker upgraded speakers and genuine window rain guards, which fit factory mounting points with no trimming or wiring hacks.
Brands we carry here: Subaru OEM (every part in this collection), plus Subaru's factory accessory partner Kicker for the H631SFJ001 upgraded speaker set. For related maintenance shopping, see our High-Flow Oil Filters, Oil Change Packages, and 2022+ Subaru WRX Oil System collections.
Popular picks from this collection: the Subaru OEM Oil Filter (15208AA170) for 15-26 WRX models, the 16mm Oil Drain Plug Crush Gasket that fits a wide range of Subaru engines, and the Window Rain Guards (F0010VC010) for the 22-26 WRX. Read our guide on how long Subaru WRX STI engines last for maintenance-minded context.
How do I know an OEM part fits my Subaru?
Subaru OEM parts are designed to factory spec for specific models and years — always check your year and model before ordering. Each product page lists the fitment in the title so you can confirm at a glance.
Are OEM parts better than aftermarket for maintenance?
For maintenance items like oil filters and gaskets, OEM is the baseline the engine was designed around. Many owners run OEM for maintenance and save the aftermarket for performance upgrades.
Do OEM replacement parts need a tune?
No. OEM replacements match factory specification, so no ECU changes or tuning are needed after installing them.
Why replace the drain plug crush gasket every oil change?
The crush gasket deforms to seal the drain plug, and reusing a crushed gasket is a common cause of slow oil weeps. It is a cheap part — replace it each time you drop the oil.